Penelitian ini bertujuan untuk mendeskripsikan kemampuan berpikir tingkat tinggi (Higher Order Thinking Skills/HOTS) siswa dalam menyelesaikan soal matematika model PISA berdasarkan indikator kemampuan mengevaluasi. Penelitian ini adalah penelitian kualitatif dengan teknik pengumpulan data yang digunakan yaitu dokumentasi, tes, dan wawancara. Hasil penelitian menunjukkan bahsa dari 30 siswa SMP Xaverius 1 Palembang yang telah menyelesaikan soal tersebut, sebanyak 73% kemampuan berpikir tingkat tinggi siswa dikategorikan kurang khususnya pada kemampuan mengevaluasi. Indikator mengevaluasi muncul jika siswa dapat menganalisis masalah dengan baik, memahami maksud pertanyaan dengan tepat, dan memberikan alasan/bukti yang sesuai. Berdasarkan analisis jawaban siswa dan hasil wawancara dapat dikatakan bahwa dari 30 siswa, hanya 6% saja siswa dikategorikan telah mencapai tahap evaluasi dengan baik dalam menyelesaikan soal matematika model PISA.
PENGEMBANGAN SOAL PEMECAHAN MASALAH BERBASIS ARGUMEN UNTUK SISWA KELAS V DI SD NEGERI 79 PALEMBANGHartatiana Alumni Program Studi Pendidikan Matematika PPs Universitas Sriwijaya ABSTRAK Penelitian ini bertujuan untuk menghasilkan soal pemecahan masalah berbasis argumen yang valid dan praktis pada pokok bahasan pecahan, bangun datar dan bangun ruang untuk siswa kelas V SD serta untuk mengetahui efek potensial soal yang dikembangkan terhadap hasil belajar siswa kelas V di SD Negeri 79 Palembang. Penelitian ini merupakan penelitian pengembangan. Subjek penelitian adalah siswa kelas VB SD Negeri 79 Palembang sebanyak 35 orang. Pengumpulan data melalui walkthrough, lembar validasi, lembar kpraktisan dan tes. Semua data yang dikumpulkan dianalisis secara deskriftif kualitatif. Hasil analisis data menyimpulkan bahwa penelitian ini telah menghasilkan produk soal pemecahan masalah berbasis argumen pada pokok bahasan pecahan, bangun datar, bangun ruang yang valid dan praktis. Valid tergambar dari hasil penilaian validator, dimana semua validator menyatakan sudah baik berdasarkan konten, konstruk dan bahasa. Praktis tergambar dari hasil uji coba siswa kelompok kecil dimana sebagian besarsiswa dapat menyelesaikan soal-soal yang diberikan, dan memiliki efek potensial yang cukup baik hal ini terlihat dengan munculnya argumen-argumen siswa dalam menyelesaikan soal tes, dan rata-rata dua kali tes mencapai 65,03 dengan kategori cukup baik. Artinya soal yang dikembangkan cukup efektif untuk digunakan dalam pembelajaran matematika.Kata Kunci: Penelitian Pengembangan, Soal pemecahan masalah berbasis argumen. PENDAHULUAN
The purposesof this study are to see whether there are differences in mathematical analogical abilities between the class that was taught using Realistic Mathematics Education (RME) and class that was taught using expository learning, to see whether there are differences in mathematical analogical abilities of students who have high, medium, low habits of mind taught using Realistic Mathematics Education Learning (RME), and to see whether there is an interaction between the use of Realistic Mathematics Education Learning (RME) on habits of mindand students' mathematical analogical abilities. This research is experimental, specifically thequasiexperimental design. The two-way ANOVA was used to analyze the data. Based on the results of the study, it can be concluded that: 1) there are differences in mathematical analogical abilities between the class that was taught using Realistic Mathematics Education (RME) and class that was taught using expository learning; 2) there are differences in mathematical analogical abilities of students who have high, medium, lowhabits of mind taught using Realistic Mathematics Education Learning (RME); 3) there is no interaction between the use of Realistic Mathematics Education Learning (RME)on the habits of mind and students' mathematical analogical abilities.
Chemical phenomena can be explained by three levels of representation, namely macroscopic, sub microscopic and symbolic. Chemistry learning media which includes three dimensions of representation can make it easier for students to build chemical concepts. The aim of this research is to produce a valid multipeld representation-based media on electrolyte and non electrolyte solution course, to know students respond toward multipel representation-based media on electrolyte and non electrolyte solution course that developed. This study was categorized as research and development (RnD). The media development procedure used in this research through 7 phase and adapted from Borg & Gall development model. The collecting data procedure used are interview and questionnaire. This research involve 2 material experts, chemistry teacher and expert lecturer, 1 media expert and 1 language expert. The subject of this research involve 6 students for small scale research and 30 students for medium scale research. The result of this study showed the developed media is valid and appropriate to use with detail score; 4 from experts lecturer (very good), 3.55 from chemistry teacher (very good), 3.46 from media expert (very good), 3.55 from language expert (very good), while students respond in small scale research get score percentage 90% (really agree) and students respond in medium scale research get percentage score 90.5% (really agree)
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